The trousers were too long so his wife took them to be altered, Tom wished they had been left unchanged because they covered his ugly shoes.
Unchanged
changed, different, altered,
The book had clearly been altered. She altered my dress so it fit me. If your ticket is altered in any way, you cannot get into the concert.
The essay will be perfect when you make a few slight alterations.
The ice cube altered its shape as the temperature outside hit 100°F.
Here are some sentences.The seventeenth amendment altered the constitution.That's against the seventeenth amendment.
I have altered by shirt
The frequency of light remains unchanged when it travels from one transparent medium to another. Only the speed and wavelength of light are altered as it transitions between different mediums.
But as he became eminent in his profession he altered his hours.
The advert was a great success, even though the model was commercially altered. (The advert was great even though the model was airbrushed)
no
Crude is something that has not been altered and is in its raw state. A good sentence would be, a new shipment of crude oil was just received yesterday.